... .Size:600*400*18mm 4.Advantages:high strength,tension,stability OD 600mm Steel end plates of spun concrete pile:1.Material ... )Thickness(MM)12-25mm (Also Acceptable Custom)TechniqueHot Rolling Specifications: OD (mm)Φ300Φ350Φ400Φ500Φ600Φ700Φ800Φ900ID(mm ... Co.,Ltd Contact: Simon LiE-mail:simonliaaa2 at hotmail.com OD 600mm Steel end plates of spun concrete pile